<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar-box">
        <img src="../assets/logo.png">
      </div>
      <el-form ref="loginRef" class="login_form" :model="form" :rules="rules">
        <el-form-item label="" prop="username">
          <el-input prefix-icon="el-icon-s-goods" v-model="form.username" ></el-input>
        </el-form-item>
        <el-form-item label="" prop="password">
          <el-input prefix-icon="el-icon-s-goods" v-model="form.password" :show-password="true"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="reset">注册</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'login.vue',
  data: function () {
    return {
      form: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [
          { required: true, message: '请输入活动名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          {required: true, message: '密码', trigger: 'blur'}
        ]
      }
    }
  },
  methods: {
    login () {
      this.$refs.loginRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('/login', this.form)
        console.log(res)
        if (res.meta.status === 200) {
          this.$message.success('登录成功')
          window.sessionStorage.setItem('token', res.data.token)
          this.$router.push('/home')
        } else {
          this.$message.error('登录失败，用户名或密码错误')
        }
      })
    },
    reset () {
      this.$refs.loginRef.resetFields()
    }
  }
}

</script>

<style scoped="scoped">
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .avatar-box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #ffffff;
  }

  .avatar-box img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }

  .btns {
    display: flex;
    justify-content: flex-end;
  }

  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
</style>
